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LA GRANDE, CITY OF

Oregon — Community Water System — PWSID: OR4100453

System Information

PWSIDOR4100453
System NameLA GRANDE, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityLA GRANDE
ZIP Code97850
Address800 X AVE
OrganizationLA GRANDE, CITY OF
Phone541-962-1325

Population & Service

Population Served13,460
Service Connections5,088

Drinking Water Violations (54)

This water system has 54 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No No — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No No — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Dec 1, 2022 Dec 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2022 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2020 Revised Total Coliform Rule
Jan 1, 2019 Dec 31, 2019 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2019 Volatile Organic Chemicals
Oct 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 Sep 30, 2018 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2018 Volatile Organic Chemicals
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Sep 18, 2020 Lead and Copper Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No No — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Dec 1, 2011 Dec 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2011 Total Coliform Rule
Dec 1, 2011 Dec 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2011 Total Coliform Rule
Apr 1, 2010 Apr 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2010 Total Coliform Rule
Apr 1, 2010 Apr 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2010 Total Coliform Rule
Jan 1, 2007 Dec 31, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 Dec 31, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Jan 1, 2005 Jan 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2005 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1998 Total Coliform Rule
May 1, 1995 May 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1995 Total Coliform Rule
May 1, 1995 May 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1995 Total Coliform Rule
May 1, 1995 May 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1995 Total Coliform Rule
Feb 1, 1995 Feb 28, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 1995 Total Coliform Rule
Feb 1, 1995 Feb 28, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 1995 Total Coliform Rule
Feb 1, 1995 Feb 28, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 1995 Total Coliform Rule
Feb 1, 1995 Feb 28, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 1995 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Dec 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1994 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1994 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1994 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1994 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1994 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1994 Total Coliform Rule
Nov 1, 1993 Nov 30, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 1993 Total Coliform Rule
Dec 1, 1992 Dec 31, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1992 Total Coliform Rule
Nov 1, 1992 Nov 30, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1992 Total Coliform Rule
Jun 1, 1992 Jun 30, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1992 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 1992 Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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